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Finding the Fourth Proportional to 458,652.55, 633,240.29 and 297,965.56

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Solution

The fourth proportional to 458,652.55, 633,240.29 and 297,965.56 is: 411,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,652.55 : 633,240.29 = 297,965.56 : x
  2. Step 2: Convert to fraction form
    458,652.55/633,240.29 = 297,965.56/x
  3. Step 3: Cross multiply
    458,652.55x = 633,240.29 × 297,965.56
  4. Step 4: Simplify right side
    458,652.55x = 188,683,797,624.41
  5. Step 5: Solve for x
    x = 188,683,797,624.41/458,652.55
  6. Step 6: Final answer
    x = 411,387.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.